4 Arm Prong Knobs

In stock

Lobed knobs, also called clamping knobs, have a scalloped edge with four grip points to allow for maximum grip and comfort, even while wearing gloves.

These durable lobed knobs are impact- and chemical-resistant and provide a neat appearance for finished applications that require precision adjustments.

Reid Supply has a wide range of 4-lobed knobs, from plastic knobs to stainless steel and iron in a variety of thread sizes and mounting types.

Learn more about what solutions exist for your application in our article on selecting the right knobs and handles.

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Product SKUs information
Price range	Availability	Thread Size	Overall Diameter	Mount Type	Thread Length	Knob Material	Overall Height	Brand
$11.87 - $18.66	14 In stock	1/4-20	2.000 in 50.8 mm	Male	3.000 in 76.2 mm	Iron	0.875 in 22.2 mm	Reid Select

$31.62 - $31.62	226 In stock	5/8-11	2.750 in 69.9 mm	Male	3.000 in 76.2 mm	Iron	1.750 in 44.5 mm	Reid Select

$0.91 - $1.43	194 In stock	5/16-18	1.570 in 39.9 mm	Male	0.980 in 24.9 mm	Thermoplastic	1.100 in 27.9 mm	Reid Select

$1.30 - $2.05	3157 In stock	3/8-16	1.970 in 50 mm	Male	0.980 in 24.9 mm	Thermoplastic	2.100 in 53.3 mm	Reid Select

$2.27 - $3.56	4 In stock	5/16-18	1.580 in 40.1 mm	Male	0.750 in 19.1 mm	Thermoplastic	1.700 in 43.2 mm	Reid Select

$3.14 - $4.93	93 In stock	1/2-13	2.360 in 59.9 mm	Male	1.500 in 38.1 mm	Thermoplastic	2.800 in 71.1 mm	Reid Select

$5.45 - $5.45	70 In stock	Non Threaded	2.125 in 54 mm	Reamed		Aluminum	1.250 in 31.8 mm	Jergens

$2.38 - $3.74	Request the lead time here	1/2-13	1.970 in 50 mm	Male	1.500 in 38.1 mm	Phenolic	3.010 in 76.5 mm	Reid Select

$2.72 - $4.28	Request the lead time here	1/2-13	2.480 in 63 mm	Male	1.750 in 44.5 mm	Phenolic	4.090 in 103.9 mm	Reid Select

$10.82 - $12.03	16 In stock	3/8-16	2.000 in 50.8 mm	Male w/ Dog Point	2.000 in 50.8 mm	Steel		Reid Select

$15.32 - $24.07	30 In stock	Non Threaded	2.750 in 69.9 mm	Reamed		Iron	1.188 in 30.2 mm	Reid Select

$7.93 - $7.93	95 In stock	Non Threaded	1.125 in 28.6 mm	Reamed		Iron	0.688 in 17.5 mm	Reid Select

$11.24 - $17.66	121 In stock	Non Threaded	2.500 in 63.5 mm	Reamed		Iron	1.438 in 36.5 mm	Reid Select

$0.98 - $1.54	55 In stock	1/4-20	1.580 in 40.1 mm	Male	0.980 in 24.9 mm	Thermoplastic	1.930 in 49 mm	Reid Select

$1.57 - $2.46	Request the lead time here	1/2-13	2.360 in 59.9 mm	Male	0.980 in 24.9 mm	Thermoplastic	2.280 in 57.9 mm	Reid Select

$2.49 - $3.92	62 In stock	3/8-16	1.970 in 50 mm	Male	0.980 in 24.9 mm	Thermoplastic	2.100 in 53.3 mm	Reid Select

$0.70 - $1.10	Request the lead time here	1/4-20	0.980 in 24.9 mm	Male	0.510 in 13 mm	Thermoplastic	0.590 in 15 mm	Reid Select

$1.34 - $2.11	Request the lead time here	1/2-13	2.360 in 59.9 mm	Male	0.980 in 24.9 mm	Thermoplastic	1.500 in 38.1 mm	Reid Select

$0.98 - $1.54	Request the lead time here	5/16-18	1.580 in 40.1 mm	Male	0.790 in 20.1 mm	Thermoplastic	1.740 in 44.2 mm	Reid Select

$12.53 - $19.69	66 In stock	5/16-18	2.000 in 50.8 mm	Male	3.000 in 76.2 mm	Iron	0.875 in 22.2 mm	Reid Select